Bladder accumulators

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Long description
A bellow accumulator is an accumulator that uses a rubber bellow as a partition between the gas and liquid. This accumulator comes pre-charged. Kramp is able to supply the accumulator at your desired pre-charge. The following pre-charges can be used as a guideline: preventing chattering pipes with a pre-charge of 95% of the operating pressure and, as an energy reservoir, a pre-charge of 90% of the operating pressure should be maintained.
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Pros
  • Bolted version with replaceable bladder
  • The accumulator can be filled to the correct pressure if desired
  • Complies with Pressure Equipment Directive (PED)
  • Long service life
Product details
  • Fit the accumulators vertically with the gas valve pointing upwards
  • Fill with nitrogen only
  • The volume indicator indicates the total volume (V0) of the accumulator
  • The initial stressing pressure must not exceed 90% of working pressure
  • From 1000cm³, accumulators are provided with the CE marking.
  • Accumulators for brake systems
  • Compensation for thermal expansion and energy storage
  • Can be used as emergency and safety function
  • Area of application: agriculture, forestry, construction machines

Interested in buying products?

Want to know more about the prices or order directly? This is possible when you are affiliated with a dealer in your area. Do you want to sell products via Kramp as a dealer? Then sign up!

  • Tailored advice from our specialists
  • More than 500.000 products
  • Up-to-date information on current stock and delivery times
Product
Unit

Volume

Pre-charge default pressure

Max. working pressure

Inside thread diameter

Gas valve thread diamter

Gas valve thread type

Wrench/Spanner size

Total length

Outside width/diameter

Connection type

Connection type - male/female

Material

Membrane material

Surface treatment

Admissible pressure ratio

Min. working temperature

Max. working temperature

Type

Weight

Inside thread diameter

Each
750 cm³
30 BAR
250 BAR
M18
5/8 Inch
UNF
41.0 mm
192 mm
118 mm
Thread
Female
Steel
Nitrile rubber [NBR]
Primed
6:1
-15 °C
80 °C
Bladder
4,4 kg
Each
1000 cm³
250 BAR
M18
5/8 Inch
UNF
41.0 mm
210 mm
118 mm
Thread
Female
Steel
Nitrile rubber [NBR]
Primed
-15 °C
80 °C
Bladder
5 kg
Each
1500 cm³
30 BAR
250 BAR
M18
5/8 Inch
UNF
41.0 mm
292 mm
118 mm
Thread
Female
Steel
Nitrile rubber [NBR]
Primed
6:1
-15 °C
80 °C
Bladder
6,8 kg
Each
3000 cm³
30 BAR
250 BAR
5/8 Inch
UNF
41.0 mm
485 mm
118 mm
Thread
Female
Steel
Nitrile rubber [NBR]
Primed
6:1
-15 °C
80 °C
Bladder
10,5 kg
3/4 Inch
Each
4000 cm³
30 BAR
360 BAR
5/8 Inch
UNF
402,7 mm
168 mm
Thread
Female
Steel
Nitrile rubber [NBR]
6:1
-15 °C
80 °C
Bladder
14 kg
1-1/4 Inch
Each
6000 cm³
30 BAR
360 BAR
5/8 Inch
UNF
Thread
Female
Steel
Nitrile rubber [NBR]
6:1
-15 °C
80 °C
Bladder
1-1/4 Inch
Each
10000 cm³
30 BAR
360 BAR
5/8 Inch
UNF
41.0 mm
797 mm
168 mm
Thread
Female
Steel
Nitrile rubber [NBR]
6:1
-15 °C
80 °C
Bladder
1-1/4 Inch
Each
750 cm³
30 BAR
350 BAR
5/8 Inch
UNF
41.0 mm
192 mm
Thread
Female
Steel
Nitrile rubber [NBR]
6:1
-15 °C
80 °C
Bladder
3/4 Inch
Each
1500 cm³
30 BAR
350 BAR
5/8 Inch
UNF
41.0 mm
210 mm
Thread
Female
Steel
Nitrile rubber [NBR]
6:1
-15 °C
80 °C
Bladder
5 kg
3/4 Inch
Each
1500 cm³
30 BAR
350 BAR
5/8 Inch
UNF
41.0 mm
292 mm
Thread
Female
Steel
Nitrile rubber [NBR]
6:1
-15 °C
80 °C
Bladder
3/4 Inch
Each
3000 cm³
30 BAR
350 BAR
5/8 Inch
UNF
41.0 mm
485 mm
Thread
Female
Steel
Nitrile rubber [NBR]
6:1
-15 °C
80 °C
Bladder
10,5 kg
3/4 Inch
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
750
30
250
Volume (cubic centimetre)
Max. working pressure (bar)
Inside thread diameter
1000
250
M18
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
1500
30
250
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
3000
30
250
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
4000
30
360
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
6000
30
360
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
10000
30
360
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
750
30
350
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
1500
30
350
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
1500
30
350
Volume (cubic centimetre)
Pre-charge default pressure (bar)
Max. working pressure (bar)
3000
30
350